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Premium Cut Diamonds

A women wearing a gold ring with a diamond

The perfect way to express your love.

With so many different diamonds to choose from it can often become difficult to compare them all. The search becomes even harder once you have found the diamond to know if you are getting true value for money and have made the right decision.

Sinclairs can ensure you are purchasing with peace of mind. With many years of experience in sourcing diamonds from all over the world, our diamonds come fully certified with a GIA certificate of authenticity. We can work with you through our global network of suppliers to find the perfect diamond for you.

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Diamond Search

Search our diamonds online and compare the price, then talk with our experts for the professional advice you need.

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Diamond Grading

Everything you need to know about the 5C’s, Colour, Clarity, Carat Weight, Cut and most importantly Certificate.

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Hearts & Arrows Diamonds

The 58 facet diamond, when cut to ‘ideal’ proportions can display the unique and beautiful Hearts and Arrows effect.

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Lab Grown Diamonds

Discover this new technology. Identical to natural diamonds in every way, they are ethically sourced and eco-friendly.